Electron microscopic observations on the epithelium of the chorionic villi of the human placenta.
D004847:Epithelial Cells; D005321:Extraembryonic Membranes / Q000033:anatomy & histology; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D010920:Placenta / Q000033:anatomy & histology*; D011247:Pregnancy